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Rubber Ring vs Moises: catalog facts
Rubber Ring	Moises
Free Free and open source under the GPL-3.0.	Freemium Free to start, with paid features.
Android	Android, iOS, Web
Gapless looping of a marked region Slow-down without pitch change	Separates many stem types from any song Available on web, desktop and mobile
Early-stage release with rough edges Android only	Processing runs on a hosted service Proprietary with paid tiers
Downloadable app	Downloadable app, Web application, Hosted service
Open source	Closed source
License: GPL-3.0-only	License not stated
No account needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 24, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.